Home / 54,749.36-82,123.32-13,196

Finding the Fourth Proportional to 54,749.36, 82,123.32 and 13,196

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Solution

The fourth proportional to 54,749.36, 82,123.32 and 13,196 is: 19,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.36 : 82,123.32 = 13,196 : x
  2. Step 2: Convert to fraction form
    54,749.36/82,123.32 = 13,196/x
  3. Step 3: Cross multiply
    54,749.36x = 82,123.32 × 13,196
  4. Step 4: Simplify right side
    54,749.36x = 1,083,699,330.72
  5. Step 5: Solve for x
    x = 1,083,699,330.72/54,749.36
  6. Step 6: Final answer
    x = 19,793.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.